Each stage in the life cycle of coal-extraction, transport, processing, and combustion-generates a waste stream and carries multiple hazards for health and the environment. These costs are external to the coal industry and are thus often considered "externalities." We estimate that the life cycle effects of coal and the waste stream generated are costing the U.S. public a third to over one-half of a trillion dollars annually. Many of these so-called externalities are, moreover, cumulative. Accounting for the damages conservatively doubles to triples the price of electricity from coal per kWh generated, making wind, solar, and other forms of nonfossil fuel power generation, along with investments in efficiency and electricity conservation methods, economically competitive. We focus on Appalachia, though coal is mined in other regions of the United States and is burned throughout the world.

The practice of disclosing corporate Environmental, Social and Governance performance information continues to evolve, and the frequency of ESG disclosures in investor‐facing discussions, including Investor Day presentations and non‐deal roadshows, continues to grow. But even with these developments, the corporate‐investor dialogue about ESG and long‐term strategy, and their expected effects on long‐run profitability and value, has continued to lag. This seems particularly evident in the quarterly earnings call. In this article, the authors review the work of NYU's Center for Sustainable Business, in collaboration with Chief Executives for Corporate Purpose (CECP), in encouraging companies to work ESG themes and performance into their quarterly earnings calls. After discussing the reasons for the relatively slow progress in this important disclosure venue, including interviews with sell‐side analysts, the authors propose practical approaches that can guide companies, regardless of industry or market cap, in delivering this content in a way that is valuable to both buy‐side and sell‐side equity analysts.

A major barrier to companies' more effective integration of sustainability into their corporate strategies is finding ways to estimate and communicate the full value of their business cases. In the authors' experience in working with or for companies, they find that most do not track the value sustainability delivers for an organization. And when companies do track and measure their returns on investments in sustainability, the estimates tend to be focused almost exclusively on those benefits that are most direct and tangible, and show up on the corporate P&L, as opposed to other benefits like employee commitment and regulatory forbearance, which are more likely to show up in a lower cost of capital. To help companies quantify the expected value of their sustainability programs, the authors have developed a Return on Sustainability Investment (ROSI™) framework. The study presented here describes the outcomes of a recent analysis in which the NYU Stern Center for Sustainable Business in collaboration with ALO Advisors worked with Capital Power Corporation, a North American power producer, to estimate the value likely to be created by accelerating its transition to clean energy. Through their work with the Chief Sustainability Officer, Chief Financial Officer, and senior managers from several key business functions, the authors identified seven major sources of benefits, and quantified the expected effects on value of four of them, to produce an estimated contribution to the value of the company of about $30 million. The ROSI™ framework and methodology has since been incorporated into CPX's investment decision‐making process, and played an important role in management's decision to commit to the operating changes required to accelerate the company's transition away from coal‐generated electricity.

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